DOD SR831 QXLR 31 Band, Analogue Graphic Equaliser

Specifications
Frequency Response: 20Hz to 20kHz, =0/-0.5 dB
Low Cut Filter: 12 dB/ octave roll-off, 3 dB down at 50 Hz switchable in or out.
Frequency Center Tolerance: 5%
Control Range: 12 dB cut/ boost
Recommended Operating Level: -10 dBV to +4 dBu
Input Impedance: 40k
Ω
balanced, 20k
Ω
unbalanced
Maximum Output Level: +21 dBu (balanced or unbalanced)
Input Level Control: +/-12 dB
Input Level Indicator: LED bar graph; -10,0,+10, and +17
Harmonic Distortion: .006% @ 1 kHz
S/N Ratio: Greater than 90 dB (ref. 0.0775Vrms)
Electronic Switching: In/Out and Filter switches (FET type)
Power Requirements: 100/120/220-230/240 VAC, 50/60 Hz @ 18 watts
Dimensions 430 and 431: 1.75”x6”x19”
Dimensions 231, 830, and 831: 3.5”x6”x19”